xiaoyunjie openvpn-cms-flask User Creation Endpoint openvpn.py create_user command injection
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-77.
Summary
A vulnerability classified as critical has been found in xiaoyunjie openvpn-cms-flask up to 1.2.7. This affects the function create_user of the file /app/api/v1/openvpn.py of the component User Creation Endpoint. The manipulation of the argument Username leads to command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 1.2.8 is able to address this issue. The patch is named e23559b98c8ea2957f09978c29f4e512ba789eb6. It is recommended to upgrade the affected component.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| xiaoyunjie | openvpn-cms-flask | 1.2.0; 1.2.1; 1.2.2; 1.2.3; 1.2.4; 1.2.5; 1.2.6; 1.2.7 | 1.2.8 | Patch available | CNA |
- openvpn-cms-flask Vendorxiaoyunjie Affected 1.2.0; 1.2.1; 1.2.2; 1.2.3; 1.2.4; 1.2.5; 1.2.6; 1.2.7 Fixed in 1.2.8 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:xiaoyunjie:openvpn-cms-flask:*:*:*:*:*:*:*:* | before 1.2.8 | Vulnerable | xiaoyunjie |
- cpe:2.3:a:xiaoyunjie:openvpn-cms-flask:*:*:*:*:*:*:*:* Versions before 1.2.8 Vulnerable ·xiaoyunjie
Remediation
- Fix · CNA openvpn-cms-flask (xiaoyunjie) Fixed in 1.2.8
Timeline
- 2026-10-02 Threatist record created from CVE-2025-6775
- 2026-10-03 Alias added: GHSA-5xw6-hgf5-pvxx
References
Exploit 2
More xiaoyunjie Openvpn-cms-flask vulnerabilities
- TI-2025-06155 xiaoyunjie openvpn-cms-flask File Upload controller.py upload path traversal CVSS 4.0MEDIUM 6.9
Sources
- CVE-2025-6775 · CVE Program
- CVE-2025-6775 · NVD
- FIRST EPSS
- GHSA-5xw6-hgf5-pvxx · GitHub Advisory Database · CC BY 4.0
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